Issued Patents All Time
Showing 51–75 of 79 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6967796 | Optical element and optical system | Seiji Takeuchi, Yasuyuki Tomita | 2005-11-22 |
| 6803154 | Two-dimensional phase element and method of manufacturing the same | — | 2004-10-12 |
| 6787183 | Method of and apparatus for producing electrode of fuel cell | Kazuhiko Iwasaki, Noboru Okada | 2004-09-07 |
| 6762559 | High-pressure mercury discharge lamp and lighting apparatus using the lamp | Satoko Ishikawa, Hiromichi Kawashima, Hisashi Yoshida | 2004-07-13 |
| 6664032 | Method of producing two-dimensional phase type optical element | — | 2003-12-16 |
| 6641985 | Method for making element | Yasuyuki Unno | 2003-11-04 |
| 6638368 | Non-oriented electrical steel sheet and method for producing the same | Hiroyoshi Yashiki, Mitsuyo Maeda, Taisei Nakayama, Noriyuki Honjou, Shinsuke Mita | 2003-10-28 |
| 6569608 | Method of manufacturing an element with multiple-level surface | Eiichi Murakami | 2003-05-27 |
| 6475704 | Method for forming fine structure | Yuichi Iwasaki | 2002-11-05 |
| 6398845 | Method for purifying aluminum | Hiroshi Tabuchi, Akihiko Takahashi, Hidemitsu Shimizu | 2002-06-04 |
| 6340399 | Non-oriented electrical steel sheet and method for producing the same | Hiroyoshi Yashiki, Mitsuyo Maeda, Taisei Nakayama, Noriyuki Honjou, Shinsuke Mita | 2002-01-22 |
| 6156092 | Method for producing high purity aluminum | Hiroshi Tabuchi, Akihiko Takahashi | 2000-12-05 |
| 6156095 | Method for producing high purity aluminum | Hiroshi Tabuchi, Akihiko Takahashi | 2000-12-05 |
| 6133614 | Apparatus for detecting radiation and method for manufacturing such apparatus | Tatsumi Shoji, Keiichi Kawasaki, Isao Tanikawa, Kazuaki Tashiro, Tatsuya Yamazaki | 2000-10-17 |
| 6121620 | Radiation detector and process for its production | Kazuaki Tashiro, Keiichi Kawasaki, Tatsumi Shoji, Tatsuya Yamazaki | 2000-09-19 |
| 5789850 | DC glow discharge lamp, and ignition apparatus, flood-light apparatus and projector apparatus for dc glow discharge lamp | Yasuhiro Iwafuji, Hiromichi Kawashima, Mamoru Furuya, Nanao Murase | 1998-08-04 |
| 5752988 | Method for producing electrode unit for fuel cell | Takafumi Okamoto, Hideo Kato, Norimasa Kawagoe, Akio Yamamoto | 1998-05-19 |
| 5736269 | Fuel cell stack and method of pressing together the same | Takafumi Okamoto, Hideo Kato, Norimasa Kawagoe, Akio Yamamoto | 1998-04-07 |
| 5703780 | Navigation system | Naoko Takanabe | 1997-12-30 |
| 5507257 | Value guide member formed of Fe-based sintered alloy having excellent wear and abrasion resistance | Masaaki Sakai, Takashi Kobayashi, Kazuyuki Hoshino, Masashi Sasaki | 1996-04-16 |
| 5155688 | Vehicle navigation system | Hiroshi Noda, Yo Yoshitoshi, Hirofumi Goto | 1992-10-13 |
| 5151063 | Air conditioning distribution system | Seiji Sasaki, Zen-ichi Kakubari, Osamu Kojima | 1992-09-29 |
| 4612946 | Automatic set-up system | Akihiko Noh, Yoshiaki Saijo, Shinichi Sato | 1986-09-23 |
| 4609001 | Automatic set-up system | Akihiko Noh, Yoshiaki Saijo, Shinichi Sato | 1986-09-02 |
| 4609002 | Automatic set-up system | Akihiko Noh, Yoshiaki Saijo, Shinichi Sato | 1986-09-02 |